Attic Hatch Size Ontario Building Code

Solutions for the new code requirements r 42 attic access hatch fits between trusses 24 o c.

Attic hatch size ontario building code. Additionally a platform shall be immediatly to the edge of the opening that extends 32 x 24 and attached so that a person can come up through the hole and place their full body weight on it. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and have a vertical height of 30 inches 762 mm or greater. Related provisions contained in the ontario electrical safety code. Here s the full text of the code.

The ontario building code attic or roof space access. Access 1 everyattic or roof space shall be provided with an access hatch where the attic or roof space a measures not less than i 10 m in area ii 1 000 mm in length or width and iii 600 mm in height over at least the area described in subclauses i and ii or. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members. 1 an atticor roof spacemore than 600 mm high shall be provided with access from the floorimmediately below by a hatchway not less than 550 mm by 900 mm or by a stairway.

And joists 16 o c. Atticor roof space access. The ontario building code online. The icc code requires that the opening be 32 x 24 and rise at least 3 1 2 above the highest level of ceiling joist and or truss bottom cord.